References
- 1. Council Regulation (EEC) 2377/90 of 22 June 1994. Off J Eur Commun 1994, L156, 6-8.
- 2. Commission Decision of 12 August 2002 2002/657/EC.
- 3. Council Regulation (EEC) 2377/90 of 26 June 1994. Off J Eur Commun 1994, L224, 6-8.
- 4. ISO 13528:2005: Statistical methods for use in proficiency testing by interlaboratory comparisons.
- 5. Plumb D.C.: Veterinary Drug Handbook, Iowa State Press, Ames, 2002, pp. 166-169.
- 6. Śniegocki T., Posyniak A., Żmudzki J.: Validation of the gas chromatography-mass spectrometry method for the determination of chloramphenicol residues in milk. Bull Vet Inst Pulawy 2006, 50, 353-357.
- 7. Śniegocki T., Posyniak A., Żmudzki J.: Determination of chloramphenicol residues in milk by gas and liquid chromatography mass spectrometry methods. Bull Vet Inst Pulawy 2007, 51, 59-64,
- 8. Thompson M., Ellison S.L.R., Wood R.: Pure Appl Chem 2006, 78, 145-196.
- 9. Walker R., Lumley I.: Pitfalls in terminology and use of reference materials Trends Anal. Chem. 1999, 18, 594-616.